void showCollegeManager(){
	if (stage.getTabs().getChildren().size() == 1){
	
		Tab tab = new Tab("Colleges");
		Tabs tabs = stage.getTabs();
		tab.setClosable(true);
		tab.setParent(tabs);
		stage.setSelectedTab(tab);
		
		Tabpanel tabpanel = new Tabpanel();
		tabpanel.setSclass("background_light_blue");
		Tabpanels tabpanels = stage.getTabpanels();
		
		registnet.macros.CollegeManager collegeManager = new registnet.macros.CollegeManager();
		collegeManager.setParent(tabpanel);
		collegeManager.applyProperties();
		collegeManager.afterCompose();
		
		tabpanel.setParent(tabpanels);
		stage.setSelectedPanel(tabpanel);
	}
	
	else if (stage.getTabs().getChildren().size() == 2 && !stage.getTabs().getChildren().get(1).getLabel().equals("Colleges")){
		
		stage.getTabs().removeChild((Tab)stage.getTabs().getChildren().get(1));
		stage.getTabpanels().removeChild((Tabpanel)stage.getTabpanels().getChildren().get(1));
		
		Tab tab = new Tab("Colleges");
		Tabs tabs = stage.getTabs();
		tab.setClosable(true);
		tab.setParent(tabs);
		stage.setSelectedTab(tab);
		
		Tabpanel tabpanel = new Tabpanel();
		tabpanel.setSclass("background_light_blue");
		Tabpanels tabpanels = stage.getTabpanels();
		
		registnet.macros.CollegeManager collegeManager = new registnet.macros.CollegeManager();
		collegeManager.setParent(tabpanel);
		collegeManager.applyProperties();
		collegeManager.afterCompose();
		
		tabpanel.setParent(tabpanels);
		stage.setSelectedPanel(tabpanel);
		
	}
}